Answer / m.shoaib

Isolator is divise for energiz and disenergize of circuit and circuit breaker is divise for on load triping

Answer / ashokkumar

Isolator is opens the supply line at both ends (In and out
terminals)so the supply line is disconnected at both ends
MCB is open at one side only

__ \__ ----o / o----
In out
MCB Isolator when it opens

Answer / gaurav

Isolator means for two one phase & one neutral & mcb stands
for only one phase.

what is the difference between power transformer & distribution transformer and what are their ratings respectively?

4 Answers  

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in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N

2 Answers   Bescom,

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what is balanced network and unbalanced network

1 Answers   Nalco,

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

0 Answers  

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how many parameters can integrate with fire alarm basically ?

0 Answers   Schneider,

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what is difference between electrical and electronics

2 Answers  

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what is difference between cpp electrical system and refinery electrical system

0 Answers  

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why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 Answers  

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why PT transformer primary r the grounded?

2 Answers   L&T,

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Define resonant frequency?

0 Answers  

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How many types of DC current

2 Answers  

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